<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>my form</title>
</head>
<body>
<form action="">
    <p>
        <textarea name="comment" cols="50" rows="10"></textarea>
    </p>
    <p><input type="submit" value="提 交"></p>
</form>

<form action="">
    <p>元组属于哪些数据类型？</p>
    <select name="q1">
        <option value="A">A. 序列</option>
        <option value="B">B. 标量</option>
        <option value="C">C. 可变</option>
    </select>
    <p><input type="submit" value="提 交"></p>
</form>

<form action="">
    <p>元组属于哪些数据类型？</p>
    <p>
        <label>
            <input type="checkbox" name="q1" value="A"> A. 序列
        </label>
    </p>
    <p>
        <label>
            <input type="checkbox" name="q1" value="B"> B. 标量
        </label>
    </p>
    <p>
        <label>
            <input type="checkbox" name="q1" value="C"> C. 可变
        </label>
    </p>
    <p><input type="submit" value="提 交"></p>
</form>
<hr>
<form action="https://www.sogou.com/web" target="_blank">
    <p>
        <label>
            <input type="radio" name="query" value="python"> python
        </label>
    </p>
    <p>
        <label>
            <input type="radio" name="query" value="linux"> linux
        </label>
    </p>
    <p>
        <label>
            <input type="radio" name="query" value="html"> html
        </label>
    </p>
    <p>
        <label>
            <input type="radio" name="query" value="javascript"> javascript
        </label>
    </p>
    <p>
        <input type="submit" value="搜狗搜索">
        <input type="reset" value="重 置">
    </p>
</form>

<hr>
<form action="">
    <div>列表不属于哪种数据类型？</div>
    <p>
        <label>
            <input type="radio" name="q1" value="A"> A. 序列
        </label>
    </p>
    <p>
        <input id="q1b" type="radio" name="q1" value="B">
        <label for="q1b"> B. 可变</label>
    </p>
    <p><input type="radio" name="q1" value="C"> C. 标量</p>
    <p><input type="submit" value="提 交"></p>
</form>
<hr>
<form action="">
    username: <input type="text" placeholder="your name">
    password: <input type="password" placeholder="your password">
</form>
<hr>
<form action="https://images.baidu.com/search/index" target="_blank">
    <input type="text" name="word">
    <input type="hidden" name="tn" value="baiduimage">
    <input type="submit" value="百度搜图">
</form>
<form action="https://pic.sogou.com/pics" target="_blank">
    <input type="text" name="query">
    <input type="submit" value="搜狗搜图">
</form>
<hr>
<form action="http://cn.bing.com/search" target="_blank">
    <input type="text" name="q">
    <input type="submit" value="必应搜索">
</form>
<form action="https://www.baidu.com/s" target="_blank">
    <input type="text" name="wd">
    <input type="submit" value="百度搜索">
</form>
<form action="https://www.sogou.com/web" target="_blank">
    <input type="text" name="query">
    <input type="submit" value="搜狗搜索">
</form>
</body>
</html>